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5,469 Matching Results
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Patent of Invention--Gr 5--Cl.3--Bearing
The object of this invention is a bearing: a thrust bearing. This bearing is one in which the bearing faces is a continuous annular surface and the other an annular surface divided into shoes having the form of sectors.
Date:
October 28, 1925
Creator:
Fulpius, Edward
Object Type:
Report
System:
The UNT Digital Library
Selected Russian Papers on Geochemical Prospecting for Ores
A selection of Russian papers on the geochemical prospecting for ores
Date:
1939/1946
Creator:
Sokoloff, V. P.; Hawkes, H. E. (Herbert Edwin), 1912-1996; Ratsbaum, E. A.; Sergeev, Evgeniĭ (Evgeniĭ Aleksandrovich); Sergeev, Evgeniĭ (Evgeniĭ Aleksandrovich); Sergeev, Evgeniĭ (Evgeniĭ Aleksandrovich) et al.
Object Type:
Report
System:
The UNT Digital Library
The Conversion of UF4 to U3Os
Methods of conversion of UF4 to U3O8 by fusion with ammonium oxalate dihydrate and other salts are described.
Date:
May 28, 1941
Creator:
Tevebaugh, A. D.; Tevebaugh, R. D.; Cline, W. D. & Warf, James C.
Object Type:
Report
System:
The UNT Digital Library
Slowing Down of Neutrons
From introduction: "The Boltzmann equation expressing conversation of particles in phase space is set up."
Date:
August 18, 1941
Creator:
Breit, G.
Object Type:
Report
System:
The UNT Digital Library
The Production of Fluorocarbons by the Reaction of Fluorine With Silicone Carbide
This technical report details the production of fluorocarbon by reactions between fluorine and silicon carbide. The report contains two figures depicting aspects of the process.
Date:
December 1941
Creator:
Priest, Homer F. & Grosse, A. V.
Object Type:
Report
System:
The UNT Digital Library
The Use of Sodium Diethyl Dithiocarbamate as a Reagent for the Determination of T
This report investigates the use of sodium diethyl dithiocarbonate as a reagent for the determination of T.
Date:
1942
Creator:
Jones, A. G.
Object Type:
Report
System:
The UNT Digital Library
Vanadium Deposits in the Carrizo Mountains District, Navajo Indian Reservation, Northeastern Arizona and Northwestern New Mexico
From abstract: The Carrizo Mountains vanadium district is in the Navajo Indian Reservation, northeastern Arizona and northwestern New Mexico. From May through October, 1942, two mining companies, operating under lease agreements with the Navajo Service, opened several mines in the district and produced a total of about 6,000 tons of ore, averaging approximately 2.2 percent.
Date:
1942
Creator:
Duncan, Donald C. & Stokes, William Lee
Object Type:
Report
System:
The UNT Digital Library
Measurement of Density of Liquid UF6
This report describes a method and apparatus used to determine the density of liquid sodium hexafluoride. The report includes a drawing of the density cell used in the experiment.
Date:
March 29, 1942
Creator:
Priest, Homer F.
Object Type:
Report
System:
The UNT Digital Library
An Attempted Separation of Mercury Isotopes
The following document describes the analysis on an attempt at separating mercury isotopes by making their environments as widely different as possible.
Date:
April 30, 1942
Creator:
Kauzmann, Walter, 1916-
Object Type:
Report
System:
The UNT Digital Library
Capture Cross Section of Si for Thermal Neutrons
The following report analyzes different values and measurements that give the same results for the captured cross section of thermal neutrons for Si.
Date:
May 6, 1942
Creator:
Coon, J. H.
Object Type:
Report
System:
The UNT Digital Library
The Preparation of Tungsten Hexafluoride
From introductory paragraph: "Because of the possibility that tungsten hexafluoride might occur as an impurity in uranium hexafluoride it seemed worthwhile to prepare some of the material in order to become familiar with its mode of preparation, reactions, etc."
Date:
June 1942
Creator:
Priest, Homer F. & Colton, R.
Object Type:
Report
System:
The UNT Digital Library
[Plates I-X]
Illustrations accompanying a report investigating the locations of vanadium-bearing phosphatic shale in West-Central Wyoming and Southeastern Idaho. The set includes seven maps (Plates I and V-X) showing the location of rock formations in the area and three charts (Plates II-IV) showing the correlation between the occurrence of vanadium deposits and the thin persistent beds of phosphate rock, oolite, siltstone, dolomite, and limestone with which they are interbedded.
Date:
July 23, 1942
Creator:
Rubey, William Walden & McKelvey, V. E.
Object Type:
Dataset
System:
The UNT Digital Library
Table IV - Estimated Reserves of Vanadium-Bearing Rock In Areas of Extraction
Table showing the estimated reserves of vanadium-bearing rock in the Paris-Bloomington, Montpelier, Sublette Ridge, Swift Creek, and Strawberry Creek - Greys River Divide extraction areas in west-central Wyoming and southeastern Idaho. Indicated tonnage and inferred tonnage values are given for each area in millions of tons, along with the percentage of vanadium ore rock, maximum and minimum thickness, and average thickness of the rock in the extraction area.
Date:
July 23, 1942
Creator:
Rubey, William Walden & McKelvey, V. E.
Object Type:
Dataset
System:
The UNT Digital Library
Vanadium-Bearing Phosphatic Shale in West-Central Wyoming and Southeastern Idaho
Discussing Vanadium-bearing phosphatic shale produced in West-central Wyoming and Southeastern Idaho
Date:
July 23, 1942
Creator:
Rubey, William Walden & McKelvey, V. E.
Object Type:
Report
System:
The UNT Digital Library
Report on Determination of Densities of Several Uranium Compounds
This technical report details a process in order to determine the densities of several uranium compounds.
Date:
August 10, 1942
Creator:
Priest, Homer F. & Priest, G. L.
Object Type:
Report
System:
The UNT Digital Library
The Extraction Method of Purification of Uranyl Nitrate
Technical report. Three extractions of a diethyl ether solution of uranyl nitrate with small portions of water are effective in removing rare earths, as is shown by radio-gadolinium and radio-europium tracer experiments. A study of representative ethers, alcohols, ketones, and esters showed that diethyl ether and a mixture of 85% ethyl methyl ketone with 15% xylene are the best solvents for the extraction.
Date:
August 28, 1942
Creator:
Myers, L. S., Jr.; Anderson, K. C.; Wexler, Sol & Boyd, G. E.
Object Type:
Report
System:
The UNT Digital Library
On Certain Phase Equilibria in the Ternary System Uranyl Nitrate--Ether--Water at 25° and at 1°C
This report follows a study that deals with a portion of the ternary diagram previously analyzed, namely the boundary curves which separate the central area of two coexistent liquid phases from the two border stripe representing one-phase liquid systems.
Date:
October 22, 1942
Creator:
Van Name, Ralph Gibbs
Object Type:
Report
System:
The UNT Digital Library
Effect of Temperature on the Surface of Cast Uranium Metal
Technical report. Photomicrographs showing the effect of heating polished uranium surface at 600, 700, 850, and 1000 degrees C, and sandblasted and cut surface at 1000 degrees C are included.
Date:
December 3, 1942
Creator:
Johns, I. B; Newton, A. S. & Gladrow, E. M.
Object Type:
Report
System:
The UNT Digital Library
Radiation Problems of the Chemical Plant
"Absorption measurements have been made in a large body of water to evaluate the contribution to the radiation intensity produced by the degradation of radiation without absorption. Radiation intensities three times those expected from a simple exponential absorption were found. Scattering from the air of gamma radiation has been measured and has been found to agree satisfactorily with theoretical predictions. The penetration of radiation through curved pipes in shielding has been measured and been found to be a flat topped function. A 2" pipe bent in the arc of a circle of 7' chord and a 10' radius gives a reduction intensity over the intensity in air at the same distance of 2.5X10⁴."
Date:
December 12, 1942
Creator:
Borst, Lyle B. & Wollan, Ernest Omar
Object Type:
Report
System:
The UNT Digital Library
Discriminator for Photographic Analyzer
Technical drawing of frequency discriminators and image analysis for nuclear reactors.
Date:
1943
Creator:
Sands, M.
Object Type:
Technical Drawing
System:
The UNT Digital Library
Memorandum regarding vanadium ore production in the Colorado and Utah vanadium producing region
Memorandum discussing the production of Vanadium Ore in the Colorado and Utah Vanadium producing Region.
Date:
1943
Creator:
Fischer, R. P.
Object Type:
Report
System:
The UNT Digital Library
Oscilloscope Camera Self Supporting
The following report is a collection of drawings depicting the general structure of the Los Alamos oscilloscope cameras.
Date:
1943
Creator:
Los Alamos National Laboratory
Object Type:
Technical Drawing
System:
The UNT Digital Library
The Production of Uranium Metal by Metal Hydrides Incorporated
Synopsis: Metal Hydrides Incorporated was a pioneer in the production of uranium metal on a commercial scale and supplied it to all the laboratories interested in the original research, before other methods for its production were developed. Metal Hydrides Inc. supplied the major part of the metal for the construction of the first experimental pile which, on December 2, 1942, demonstrated the feasibility of the self-sustaining chain reaction and the release of atomic energy.
Date:
1943
Creator:
Alexander, P. P.
Object Type:
Report
System:
The UNT Digital Library
The Toxicity of Fluorine
The following report discusses the toxicity of fluorine as described in literature on fluorine intoxication and case studies of Roholm's experimental observations.
Date:
1943
Creator:
Ferry, J. L.
Object Type:
Report
System:
The UNT Digital Library